International Journal of Agricultural Sciences

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Effect of Different Levels of Phosphorus on the Yield and Yield Components of Maize Under Agro-Climatic Zone-II of Bihar


Affiliations
1 Regional Research Station, Madhopur, West Champaran (Bihar), India
2 Department of Botany and Plant Physiology, Mandan Bharti Agriculture College, Agwanpur, Saharsa (Bihar), India
     

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An explorative experimental trial was conducted to study the effect of different levels of phosphorus on the yield and yield components of maize in North-East Alluvial plains of Bihar, was conducted at Regional Research Station, Agwanpur, Saharsa (India). The experiment was laid out in Randomized Complete Block Design with three replications having a plot size of 5.40 m×6.7 m with row to row distance of 0.75 m and plant to plant distance of 0.25 m. The levels of phosphorus were 0 (control), 50, 100, 150 and 200 kg ha-1. Results indicated that the different levels of phosphorus significantly affected maize plant height, number of cobs plant-1, number of grains cob-1 and grain yield, however, the effect was non-significant on number of plants m-2, thousand grain weight and biological yield of maize. Application of phosphorus at the rate of 100 kg ha-1 resulted in maximum plant height (161 cm), number of cobs plant-1 (1.25), number of grain cob-1 (343), thousand grain weight (253 g), grain yield (2535 kg ha-1) and biological yield (8398 kg ha-1) as compared to the minimum values in control plots i.e. 148cm, 0.88, 290, 197 g, 1370 kg ha-1 and 6041 kg ha-1, respectively. It is concluded that phosphorus should be applied at the rate of 100 kg ha-1 for best grain yield in the agro-climatic conditions of Bihar.

Keywords

Phosphorus, Zea mays L., Plant Height, Grain Yield.
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  • Effect of Different Levels of Phosphorus on the Yield and Yield Components of Maize Under Agro-Climatic Zone-II of Bihar

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Authors

Ajeet Kumar
Regional Research Station, Madhopur, West Champaran (Bihar), India
Mukul Kumar
Department of Botany and Plant Physiology, Mandan Bharti Agriculture College, Agwanpur, Saharsa (Bihar), India

Abstract


An explorative experimental trial was conducted to study the effect of different levels of phosphorus on the yield and yield components of maize in North-East Alluvial plains of Bihar, was conducted at Regional Research Station, Agwanpur, Saharsa (India). The experiment was laid out in Randomized Complete Block Design with three replications having a plot size of 5.40 m×6.7 m with row to row distance of 0.75 m and plant to plant distance of 0.25 m. The levels of phosphorus were 0 (control), 50, 100, 150 and 200 kg ha-1. Results indicated that the different levels of phosphorus significantly affected maize plant height, number of cobs plant-1, number of grains cob-1 and grain yield, however, the effect was non-significant on number of plants m-2, thousand grain weight and biological yield of maize. Application of phosphorus at the rate of 100 kg ha-1 resulted in maximum plant height (161 cm), number of cobs plant-1 (1.25), number of grain cob-1 (343), thousand grain weight (253 g), grain yield (2535 kg ha-1) and biological yield (8398 kg ha-1) as compared to the minimum values in control plots i.e. 148cm, 0.88, 290, 197 g, 1370 kg ha-1 and 6041 kg ha-1, respectively. It is concluded that phosphorus should be applied at the rate of 100 kg ha-1 for best grain yield in the agro-climatic conditions of Bihar.

Keywords


Phosphorus, Zea mays L., Plant Height, Grain Yield.

References